poor tool的用法和樣例：
例句
用作名詞 (n.)
- Claudius had determined that married men made poor soldiers.So he banned marriage from his empire.
克勞迪亞斯王堅信已婚男人是無(wú)用的戰士，因此在他的王國內禁止結婚。 - Spam Blocker is a convenient tool for fighting against annoying email advertising that allows to save traffic and get rid of unwanted and useless messages.
垃圾郵件攔截器是一個(gè)方便的工具，打擊惱人的電子郵件廣告，允許為節省交通和擺脫不想要的和無(wú)用的信息。
